Projection television display tube with latent heat accumulator for cooling
CA 1265572 C · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Schroder, Johann; Comberg, Albert Adolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHD 85024 29.9.1985, ABSTRACT:, Projection television display tube comprising an evacuated envelope having a display window provided on its inside with a display screen and a transparent second window which is disposed in front of said display window on its outside, a transparent coolant flowing through the space between the display window and the second window said, coolant conveying the heat taken up at the display window through a cooling member to the atmosphere. When in such a projection television display tube the coolant is also in thermally conducting contact with a latent heat accumulator an effective cooling is obtained, even at peak loads of more than 40 W, and without external …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.